Any custom code needs to be update as follows
For Grid, select EntityImage field (or any other image field) from the dropdown and then go to the column editor, and format the HTML for the attribute as follows
<img src="{0}">
For Listview, select EntityImage field from dropdown and in template editor, add the following tag
<img alt="#: fullname #" height="144px" width="144px" src="#: entityimage #"/>